PHE/MHE (Primary/Main Heat Exchanger)

AMM Ref: 21-52-25 & 21-52-26

Consumables: As per AMM

1) LST, CFC & Rag pieces

2) Vaseline

3) Packings/Seals

Tools:

1) Ring ratchet # 1/4-5/16 # 3/8 -7/16

2) Torque wrench # 200 in-lbs

3) Apex bit # No.10 (qty-02)

4) Power Ratchet

5) Ratchet # Extension # 6" & 3" (1/4 drive)

6) Sockets# 1/4, 5/16, 3/8, 7/16

7) Speed handle/ bit holder

8) Spanners# 1/4, 5/16, 3/8, 7/16

9) Common tools

Support Equipments:

1) Three Step Trestle

2) Generator

Precautions/Tricks: As per AMM

1) Be cautious during removal & installation of PHE/MHE unit because of heaviness.

Warning: Always use updated AMM / IPC,Task card, etc for performing any work on aircraft.